Revert "powerhint: enable auto_prefer_idle in games" Revert submission 29817358-p23_auto_prefer_idle Reason for revert: Power efficiency regression Reverted changes: /q/submissionid:29817358-p23_auto_prefer_idle Bug: 372961087 Test: manual testing Change-Id: I4b24954cb37a469c2d6835e6f01e6abc655ce0b2